UBUNTU-CVE-2020-35911

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Source
https://ubuntu.com/security/CVE-2020-35911
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-35911.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-35911
Upstream
Published
2020-12-31T09:15:00Z
Modified
2025-10-24T04:48:58Z
Severity
  • 4.7 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

An issue was discovered in the lock_api crate before 0.4.2 for Rust. A data race can occur because of MappedRwLockReadGuard unsoundness.

References

Affected packages

Ubuntu:20.04:LTS / rust-lock-api

Package

Name
rust-lock-api
Purl
pkg:deb/ubuntu/rust-lock-api@0.3.3-1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.1.5-1
0.3.1-1
0.3.2-1
0.3.3-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.3.3-1",
            "binary_name": "librust-lock-api+owning-ref-dev"
        },
        {
            "binary_version": "0.3.3-1",
            "binary_name": "librust-lock-api+serde-dev"
        },
        {
            "binary_version": "0.3.3-1",
            "binary_name": "librust-lock-api-dev"
        }
    ]
}

Ubuntu:22.04:LTS / rust-lock-api

Package

Name
rust-lock-api
Purl
pkg:deb/ubuntu/rust-lock-api@0.4.5-1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.3.4-1
0.4.5-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.4.5-1",
            "binary_name": "librust-lock-api+owning-ref-dev"
        },
        {
            "binary_version": "0.4.5-1",
            "binary_name": "librust-lock-api+serde-dev"
        },
        {
            "binary_version": "0.4.5-1",
            "binary_name": "librust-lock-api-dev"
        }
    ]
}

Ubuntu:24.04:LTS / rust-lock-api

Package

Name
rust-lock-api
Purl
pkg:deb/ubuntu/rust-lock-api@0.4.11-1?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.4.9-1
0.4.11-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.4.11-1",
            "binary_name": "librust-lock-api-dev"
        }
    ]
}

Ubuntu:25.10 / rust-lock-api

Package

Name
rust-lock-api
Purl
pkg:deb/ubuntu/rust-lock-api@0.4.12-1?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.4.12-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.4.12-1",
            "binary_name": "librust-lock-api-dev"
        }
    ]
}

Ubuntu:25.04 / rust-lock-api

Package

Name
rust-lock-api
Purl
pkg:deb/ubuntu/rust-lock-api@0.4.12-1?arch=source&distro=plucky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.4.11-1
0.4.12-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.4.12-1",
            "binary_name": "librust-lock-api-dev"
        }
    ]
}